This one's about words. Vol and Vel sat next to each other on the master row, one letter apart, which is a coin flip in a dim studio at 2 a.m. The knobs now say Volume and Velocity in full.
The Modern engine's per-voice filter section is now labeled Voice Filter, with its envelope controls spelled out, and the step sequencer's buttons explain themselves on hover like the rest of the instrument.
There's some minor stability work under the hood too. Nothing changes about the sound. Hit Updates in the top bar and you're current.